The women’s Olympic marathon debuted OTD in 1984

At the Los Angeles Games 36 years ago, Canadian Silvia Ruegger finished in eighth in the first-ever women’s Olympic marathon

Joan Benoit Samuelson, 61, to attempt sub-3 at Chicago

If successful, the previous Chicago course record-holder and 1984 Olympic champion would make history as the first woman over 60 to go sub-3